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[node.js] File-System(promise, async/await)

๐Ÿ“Œ file-system : node์˜ ๋ชจ๋“ˆ์ด๋ผ commonJS ๋ฐฉ์‹์œผ๋กœ ๋ถˆ๋Ÿฌ ์˜ฌ ์ˆ˜ ์žˆ์Œ const fs = require('fs'); โœ… readFile : ํŒŒ์ผ์„ ์ฝ์„ ๋•Œ ์‚ฌ์šฉํ•˜๋Š” ๋ฉ”์†Œ๋“œ ํŒŒ์ผ์„ ์ฝ๋Š” ๊ฒƒ๋„ ์‹œ๊ฐ„์ด ํ•„์š”ํ•œ ์ž‘์—…์ด๋ฏ€๋กœ -> callback ์‚ฌ์šฉ fs.readFile('ํŒŒ์ผ์œ„์น˜','์œ ๋‹ˆ์ฝ”๋“œํฌ๋งท',callback(err, data) {}) err : ํŒŒ์ผ ์ฝ๊ธฐ๊ฐ€ ์ž˜ ์•ˆ๋˜์—ˆ์„ ๋•Œ, error ์ฝ”๋“œ ๋ฐ˜ํ™˜ data: ํŒŒ์ผ ์ฝ๊ธฐ๊ฐ€ ์ž˜ ๋˜์—ˆ์„ ๋•Œ, ์ฝ์€ data ๋ฐ˜ํ™˜ const fs = require('fs'); fs.readFile('readme.txt', 'utf-8', (err, data) => { if (err) { console.log(err); } else { console.log(dat..
Server/Node.js 2022. 9. 24. 09:02
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